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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -11 |
| 3 | 223 |
| 4 | -5625 |
| 5 | 158762 |
| 6 | -4799418 |
| 7 | 151973098 |
| 8 | -4975847295 |
| 9 | 167086255160 |
| 10 | -5722690768355 |
| 11 | 199141613242149 |
| 12 | -7020917669339366 |
| 13 | 250245906882513529 |
| 14 | -9002510253230516540 |
| 15 | 326450790268343159148 |
| 16 | -11919962635374125266108 |
| 17 | 437889823386052090129335 |
| 18 | -16172675073048385598095916 |
| 19 | 600164831304018730909401880 |
| 20 | -22367394106767661737796716563 |
[1,1,-11,223,-5625,158762,-4799418,151973098, -4975847295,167086255160,-5722690768355, 199141613242149,-7020917669339366, 250245906882513529,-9002510253230516540, 326450790268343159148,-11919962635374125266108, 437889823386052090129335, -16172675073048385598095916, 600164831304018730909401880, -22367394106767661737796716563] |